CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 30,020	$ 73,609	$ 65,554	$ 128,644
Other comprehensive income (loss):
Foreign currency translation adjustments	2,742	(47)	5,743	1,106
Change in fair value of interest rate swaps, net of tax	(101)	1,283	(1,074)	4,914
Other comprehensive income, net	2,641	1,236	4,669	6,020
Comprehensive income	32,661	74,845	70,223	134,664
Comprehensive income attributable to noncontrolling interest	(139)	(1,319)	(449)	(2,605)
Comprehensive income attributable to Werner	$ 32,522	$ 73,526	$ 69,774	$ 132,059